Foam Coat 25 Lbs (226917)Foam Coat is a rock-hard coating which protects and beautifies your foam projects. Comes in a dry powder. Just mix with water. Sandable. Inherently fire resistant. Can be used outdoors when sealed with any outdoor paint, or mixed with Boost Liquid Fortifier, or Bounce Liquid Rubberizer. Apply thick with a trowel or thin to use with a paintbrush. Sets up in only about 15 minutes. Extend drying time by adding up to 50% latex paint with your water before mixing into the dry foam coat. Twenty-five pounds covers up to 300 sq. ft. Compatible with Boost, Bounce, and Grit.
MIXING Mix in a clean container with clean water. Use 3.5oz cool water per pound of powder. Add powder to water and mix until Foam Coat turns to a smooth paste. Do not overmix.
APPLYING Fill big cracks and holes by applying pasty mixture with a trowel. You may add more water until mixture is thin to apply with a paint brush, although thinning weakens coating. Use thinned mixture to texture large areas. May be applied as thick as 3/8 inch. Try texturing surface before coating sets.
SET TIME Use within 10 minutes. Sets hard in 30 minutes. Maximum bond and hardness in 1 day.
FINISHING Remove dust before painting. This product goes on smooth and can be sanded. Can be used outdoors if sealed with paint. Add Grit texturizer to create a rock-like surface effect.
CLEAN UP Clean tools and brushes with clean soapy water before coating hardens.